David Gwynne Campbell
July 31, 2018
David Gwynne Campbell, Petroleum Executive and Geologist, has been recognized by Marquis Who’s Who Top Executives for dedication, achievements, and leadership in petroleum and geology.
David Gwynne Campbell, Petroleum Executive and Geologist, has been recognized by Marquis Who’s Who Top Executives for dedication, achievements, and leadership in petroleum and geology.
George Henry Megrue, PhD, Founder and President of Megrue Microanalytical Systems, Co-founder and Secretary of Foxglove School Inc., has been recognized by Marquis Who’s Who Top Executives for dedication, achievements,
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